{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Treatment.Disorder", "Subject", "Treatment.Drug", "Subject.Race", "Subject.Disorder", "Effect", "Treatment.Time_elapsed", "Subject.Gender", "Treatment.Route", "Subject.Population", "Treatment.Dosage", "Treatment"]}], "input": "In a randomised, investigator-blinded, multicentre phase III efficacy trial, 899 infants and children with acute uncomplicated Plasmodium falciparum malaria received six doses of AL according to body weight over 3 days either as crushed tablets (Coartem) or as dispersible tablets."}
{"adverse event": []}